Liquid crystal display device having retardation films

Details Liquid crystal display device having retardation films Liquid crystal display device having retardation films

1989-07-07

1991-01-15

Miller, Stanley D.

350337, 350339R, 350347R, G02F 113

Patent

active

049848747

ABSTRACT:
A liquid crystal cell includes first and second substrates arranged to oppose each other, first and second electrodes formed on opposing surfaces of the first and second substrates, respectively, and a liquid crystal composition filled between the first and second substrates and arranged in a twisted mode. First and second polarizers are arranged on both sides of the liquid crystal cell. A first optical retardation film is arranged between the first substrate and the first polarizer, and a second optical retardation film is arranged between said second substrate and said second polarizer. The liquid crystal cell has a retardation value R0 of 0.4 to 0.85 .mu.m, defined by an equation:

REFERENCES:
patent: 4852976 (1989-08-01), Suzuki
patent: 4909606 (1990-03-01), Wada et al.

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